code: def test_isc_output():
      logger.info("Testing ISC outputs")
  
      data = correlated_timeseries(20, 60, noise=0, random_state=42)
      iscs = isc(data, pairwise=False)
      assert np.allclose(iscs[:, :2], 1.0, rtol=1e-05)
      assert np.all(iscs[:, -1] < 1.0)
  
      iscs = isc(data, pairwise=True)
      assert np.allclose(iscs[:, :2], 1.0, rtol=1e-05)
      assert np.all(iscs[:, -1] < 1.0)
  
      logger.info("Finished testing ISC outputs")
  
file_path: brainiak/tests/isc/test_isc.py
imports: import numpy
  import logging
  import pytest
  from brainiak.isc import isc, isfc, bootstrap_isc, permutation_isc, squareform_isfc, timeshift_isc, phaseshift_isc
  from scipy.spatial.distance import squareform
label_desc: Use image node_id 5 for calling a global function with example usage: test_isc_output() without return types